Home / 662,304,987.38-914,029,189.17-383,918,381.30

Finding the Fourth Proportional to 662,304,987.38, 914,029,189.17 and 383,918,381.30

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Solution

The fourth proportional to 662,304,987.38, 914,029,189.17 and 383,918,381.30 is: 529,835,368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,304,987.38 : 914,029,189.17 = 383,918,381.30 : x
  2. Step 2: Convert to fraction form
    662,304,987.38/914,029,189.17 = 383,918,381.30/x
  3. Step 3: Cross multiply
    662,304,987.38x = 914,029,189.17 × 383,918,381.30
  4. Step 4: Simplify right side
    662,304,987.38x = 350,912,606,767,097,856
  5. Step 5: Solve for x
    x = 350,912,606,767,097,856/662,304,987.38
  6. Step 6: Final answer
    x = 529,835,368.08

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.